diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 429 |
1 files changed, 353 insertions, 76 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 0b28b2cf1517..c14f63cefe67 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -44,7 +44,7 @@ #include "amdgpu_securedisplay.h" #include "amdgpu_atomfirmware.h" -#define AMD_VBIOS_FILE_MAX_SIZE_B (1024*1024*3) +#define AMD_VBIOS_FILE_MAX_SIZE_B (1024*1024*16) static int psp_load_smu_fw(struct psp_context *psp); static int psp_rap_terminate(struct psp_context *psp); @@ -153,15 +153,18 @@ static int psp_init_sriov_microcode(struct psp_context *psp) adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MES1_DATA; ret = psp_init_cap_microcode(psp, ucode_prefix); break; + case IP_VERSION(13, 0, 12): + ret = psp_init_ta_microcode(psp, ucode_prefix); + break; default: return -EINVAL; } return ret; } -static int psp_early_init(void *handle) +static int psp_early_init(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; struct psp_context *psp = &adev->psp; psp->autoload_supported = true; @@ -193,6 +196,7 @@ static int psp_early_init(void *handle) case IP_VERSION(11, 0, 9): case IP_VERSION(11, 0, 11): case IP_VERSION(11, 5, 0): + case IP_VERSION(11, 5, 2): case IP_VERSION(11, 0, 12): case IP_VERSION(11, 0, 13): psp_v11_0_set_psp_funcs(psp); @@ -212,6 +216,11 @@ static int psp_early_init(void *handle) psp_v13_0_set_psp_funcs(psp); psp->autoload_supported = false; break; + case IP_VERSION(13, 0, 12): + psp_v13_0_set_psp_funcs(psp); + psp->autoload_supported = false; + adev->psp.sup_ifwi_up = !amdgpu_sriov_vf(adev); + break; case IP_VERSION(13, 0, 1): case IP_VERSION(13, 0, 3): case IP_VERSION(13, 0, 5): @@ -245,6 +254,10 @@ static int psp_early_init(void *handle) case IP_VERSION(14, 0, 3): psp_v14_0_set_psp_funcs(psp); break; + case IP_VERSION(14, 0, 5): + psp_v14_0_set_psp_funcs(psp); + psp->boot_time_tmr = false; + break; default: return -EINVAL; } @@ -359,6 +372,7 @@ static bool psp_get_runtime_db_entry(struct amdgpu_device *adev, int i; if (amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 6) || + amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 12) || amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 14)) return false; @@ -421,9 +435,9 @@ static bool psp_get_runtime_db_entry(struct amdgpu_device *adev, return ret; } -static int psp_sw_init(void *handle) +static int psp_sw_init(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; struct psp_context *psp = &adev->psp; int ret; struct psp_runtime_boot_cfg_entry boot_cfg_entry; @@ -527,11 +541,10 @@ failed1: return ret; } -static int psp_sw_fini(void *handle) +static int psp_sw_fini(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; struct psp_context *psp = &adev->psp; - struct psp_gfx_cmd_resp *cmd = psp->cmd; psp_memory_training_fini(psp); @@ -541,8 +554,8 @@ static int psp_sw_fini(void *handle) amdgpu_ucode_release(&psp->cap_fw); amdgpu_ucode_release(&psp->toc_fw); - kfree(cmd); - cmd = NULL; + kfree(psp->cmd); + psp->cmd = NULL; psp_free_shared_bufs(psp); @@ -639,6 +652,8 @@ static const char *psp_gfx_cmd_name(enum psp_gfx_cmd_id cmd_id) return "AUTOLOAD_RLC"; case GFX_CMD_ID_BOOT_CFG: return "BOOT_CFG"; + case GFX_CMD_ID_CONFIG_SQ_PERFMON: + return "CONFIG_SQ_PERFMON"; default: return "UNKNOWN CMD"; } @@ -868,6 +883,7 @@ static bool psp_skip_tmr(struct psp_context *psp) case IP_VERSION(13, 0, 2): case IP_VERSION(13, 0, 6): case IP_VERSION(13, 0, 10): + case IP_VERSION(13, 0, 12): case IP_VERSION(13, 0, 14): return true; default: @@ -1043,6 +1059,31 @@ static int psp_rl_load(struct amdgpu_device *adev) return ret; } +int psp_memory_partition(struct psp_context *psp, int mode) +{ + struct psp_gfx_cmd_resp *cmd; + int ret; + + if (amdgpu_sriov_vf(psp->adev)) + return 0; + + cmd = acquire_psp_cmd_buf(psp); + + cmd->cmd_id = GFX_CMD_ID_FB_NPS_MODE; + cmd->cmd.cmd_memory_part.mode = mode; + + dev_info(psp->adev->dev, + "Requesting %d memory partition change through PSP", mode); + ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr); + if (ret) + dev_err(psp->adev->dev, + "PSP request failed to change to NPS%d mode\n", mode); + + release_psp_cmd_buf(psp); + + return ret; +} + int psp_spatial_partition(struct psp_context *psp, int mode) { struct psp_gfx_cmd_resp *cmd; @@ -1756,34 +1797,47 @@ int psp_ras_initialize(struct psp_context *psp) if (ret) dev_warn(adev->dev, "PSP get boot config failed\n"); - if (!amdgpu_ras_is_supported(psp->adev, AMDGPU_RAS_BLOCK__UMC)) { - if (!boot_cfg) { - dev_info(adev->dev, "GECC is disabled\n"); - } else { - /* disable GECC in next boot cycle if ras is - * disabled by module parameter amdgpu_ras_enable - * and/or amdgpu_ras_mask, or boot_config_get call - * is failed - */ - ret = psp_boot_config_set(adev, 0); - if (ret) - dev_warn(adev->dev, "PSP set boot config failed\n"); - else - dev_warn(adev->dev, "GECC will be disabled in next boot cycle if set amdgpu_ras_enable and/or amdgpu_ras_mask to 0x0\n"); - } + if (boot_cfg == 1 && !adev->ras_default_ecc_enabled && + amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC)) { + dev_warn(adev->dev, "GECC is currently enabled, which may affect performance\n"); + dev_warn(adev->dev, + "To disable GECC, please reboot the system and load the amdgpu driver with the parameter amdgpu_ras_enable=0\n"); } else { - if (boot_cfg == 1) { - dev_info(adev->dev, "GECC is enabled\n"); + if ((adev->ras_default_ecc_enabled || amdgpu_ras_enable == 1) && + amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC)) { + if (boot_cfg == 1) { + dev_info(adev->dev, "GECC is enabled\n"); + } else { + /* enable GECC in next boot cycle if it is disabled + * in boot config, or force enable GECC if failed to + * get boot configuration + */ + ret = psp_boot_config_set(adev, BOOT_CONFIG_GECC); + if (ret) + dev_warn(adev->dev, "PSP set boot config failed\n"); + else + dev_warn(adev->dev, "GECC will be enabled in next boot cycle\n"); + } } else { - /* enable GECC in next boot cycle if it is disabled - * in boot config, or force enable GECC if failed to - * get boot configuration - */ - ret = psp_boot_config_set(adev, BOOT_CONFIG_GECC); - if (ret) - dev_warn(adev->dev, "PSP set boot config failed\n"); - else - dev_warn(adev->dev, "GECC will be enabled in next boot cycle\n"); + if (!boot_cfg) { + if (!adev->ras_default_ecc_enabled && + amdgpu_ras_enable != 1 && + amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC)) + dev_warn(adev->dev, "GECC is disabled, set amdgpu_ras_enable=1 to enable GECC in next boot cycle if needed\n"); + else + dev_info(adev->dev, "GECC is disabled\n"); + } else { + /* disable GECC in next boot cycle if ras is + * disabled by module parameter amdgpu_ras_enable + * and/or amdgpu_ras_mask, or boot_config_get call + * is failed + */ + ret = psp_boot_config_set(adev, 0); + if (ret) + dev_warn(adev->dev, "PSP set boot config failed\n"); + else + dev_warn(adev->dev, "GECC will be disabled in next boot cycle if set amdgpu_ras_enable and/or amdgpu_ras_mask to 0x0\n"); + } } } } @@ -1807,6 +1861,10 @@ int psp_ras_initialize(struct psp_context *psp) ras_cmd->ras_in_message.init_flags.xcc_mask = adev->gfx.xcc_mask; ras_cmd->ras_in_message.init_flags.channel_dis_num = hweight32(adev->gmc.m_half_use) * 2; + if (adev->gmc.gmc_funcs->query_mem_partition_mode) + ras_cmd->ras_in_message.init_flags.nps_mode = + adev->gmc.gmc_funcs->query_mem_partition_mode(adev); + ras_cmd->ras_in_message.init_flags.active_umc_mask = adev->umc.active_mask; ret = psp_ta_load(psp, &psp->ras_context.context); @@ -2156,7 +2214,8 @@ static int psp_securedisplay_initialize(struct psp_context *psp) if (!psp->securedisplay_context.context.bin_desc.size_bytes || !psp->securedisplay_context.context.bin_desc.start_addr) { - dev_info(psp->adev->dev, "SECUREDISPLAY: securedisplay ta ucode is not available\n"); + dev_info(psp->adev->dev, + "SECUREDISPLAY: optional securedisplay ta ucode is not available\n"); return 0; } @@ -2234,7 +2293,8 @@ int psp_securedisplay_invoke(struct psp_context *psp, uint32_t ta_cmd_id) return -EINVAL; if (ta_cmd_id != TA_SECUREDISPLAY_COMMAND__QUERY_TA && - ta_cmd_id != TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC) + ta_cmd_id != TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC && + ta_cmd_id != TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC_V2) return -EINVAL; ret = psp_ta_invoke(psp, ta_cmd_id, &psp->securedisplay_context.context); @@ -2264,6 +2324,19 @@ bool amdgpu_psp_get_ras_capability(struct psp_context *psp) } } +bool amdgpu_psp_tos_reload_needed(struct amdgpu_device *adev) +{ + struct psp_context *psp = &adev->psp; + + if (amdgpu_sriov_vf(adev) || (adev->flags & AMD_IS_APU)) + return false; + + if (psp->funcs && psp->funcs->is_reload_needed) + return psp->funcs->is_reload_needed(psp); + + return false; +} + static int psp_hw_start(struct psp_context *psp) { struct amdgpu_device *adev = psp->adev; @@ -2342,6 +2415,15 @@ static int psp_hw_start(struct psp_context *psp) } } + if ((is_psp_fw_valid(psp->spdm_drv)) && + (psp->funcs->bootloader_load_spdm_drv != NULL)) { + ret = psp_bootloader_load_spdm_drv(psp); + if (ret) { + dev_err(adev->dev, "PSP load spdm_drv failed!\n"); + return ret; + } + } + if ((is_psp_fw_valid(psp->sos)) && (psp->funcs->bootloader_load_sos != NULL)) { ret = psp_bootloader_load_sos(psp); @@ -2958,16 +3040,13 @@ failed: return ret; } -static int psp_hw_init(void *handle) +static int psp_hw_init(struct amdgpu_ip_block *ip_block) { int ret; - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; mutex_lock(&adev->firmware.mutex); - /* - * This sequence is just used on hw_init only once, no need on - * resume. - */ + ret = amdgpu_ucode_init_bo(adev); if (ret) goto failed; @@ -2987,9 +3066,9 @@ failed: return -EINVAL; } -static int psp_hw_fini(void *handle) +static int psp_hw_fini(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; struct psp_context *psp = &adev->psp; if (psp->ta_fw) { @@ -3011,10 +3090,10 @@ static int psp_hw_fini(void *handle) return 0; } -static int psp_suspend(void *handle) +static int psp_suspend(struct amdgpu_ip_block *ip_block) { int ret = 0; - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; struct psp_context *psp = &adev->psp; if (adev->gmc.xgmi.num_physical_nodes > 1 && @@ -3074,10 +3153,10 @@ out: return ret; } -static int psp_resume(void *handle) +static int psp_resume(struct amdgpu_ip_block *ip_block) { int ret; - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; struct psp_context *psp = &adev->psp; dev_info(adev->dev, "PSP is resuming...\n"); @@ -3092,6 +3171,10 @@ static int psp_resume(void *handle) mutex_lock(&adev->firmware.mutex); + ret = amdgpu_ucode_init_bo(adev); + if (ret) + goto failed; + ret = psp_hw_start(psp); if (ret) goto failed; @@ -3246,7 +3329,8 @@ int psp_init_asd_microcode(struct psp_context *psp, const char *chip_name) const struct psp_firmware_header_v1_0 *asd_hdr; int err = 0; - err = amdgpu_ucode_request(adev, &adev->psp.asd_fw, "amdgpu/%s_asd.bin", chip_name); + err = amdgpu_ucode_request(adev, &adev->psp.asd_fw, AMDGPU_UCODE_REQUIRED, + "amdgpu/%s_asd.bin", chip_name); if (err) goto out; @@ -3268,7 +3352,8 @@ int psp_init_toc_microcode(struct psp_context *psp, const char *chip_name) const struct psp_firmware_header_v1_0 *toc_hdr; int err = 0; - err = amdgpu_ucode_request(adev, &adev->psp.toc_fw, "amdgpu/%s_toc.bin", chip_name); + err = amdgpu_ucode_request(adev, &adev->psp.toc_fw, AMDGPU_UCODE_REQUIRED, + "amdgpu/%s_toc.bin", chip_name); if (err) goto out; @@ -3364,6 +3449,12 @@ static int parse_sos_bin_descriptor(struct psp_context *psp, psp->ipkeymgr_drv.size_bytes = le32_to_cpu(desc->size_bytes); psp->ipkeymgr_drv.start_addr = ucode_start_addr; break; + case PSP_FW_TYPE_PSP_SPDM_DRV: + psp->spdm_drv.fw_version = le32_to_cpu(desc->fw_version); + psp->spdm_drv.feature_version = le32_to_cpu(desc->fw_version); + psp->spdm_drv.size_bytes = le32_to_cpu(desc->size_bytes); + psp->spdm_drv.start_addr = ucode_start_addr; + break; default: dev_warn(psp->adev->dev, "Unsupported PSP FW type: %d\n", desc->fw_type); break; @@ -3431,7 +3522,12 @@ int psp_init_sos_microcode(struct psp_context *psp, const char *chip_name) uint8_t *ucode_array_start_addr; int err = 0; - err = amdgpu_ucode_request(adev, &adev->psp.sos_fw, "amdgpu/%s_sos.bin", chip_name); + if (amdgpu_is_kicker_fw(adev)) + err = amdgpu_ucode_request(adev, &adev->psp.sos_fw, AMDGPU_UCODE_REQUIRED, + "amdgpu/%s_sos_kicker.bin", chip_name); + else + err = amdgpu_ucode_request(adev, &adev->psp.sos_fw, AMDGPU_UCODE_REQUIRED, + "amdgpu/%s_sos.bin", chip_name); if (err) goto out; @@ -3523,6 +3619,36 @@ out: return err; } +static bool is_ta_fw_applicable(struct psp_context *psp, + const struct psp_fw_bin_desc *desc) +{ + struct amdgpu_device *adev = psp->adev; + uint32_t fw_version; + + switch (desc->fw_type) { + case TA_FW_TYPE_PSP_XGMI: + case TA_FW_TYPE_PSP_XGMI_AUX: + /* for now, AUX TA only exists on 13.0.6 ta bin, + * from v20.00.0x.14 + */ + if (amdgpu_ip_version(adev, MP0_HWIP, 0) == + IP_VERSION(13, 0, 6)) { + fw_version = le32_to_cpu(desc->fw_version); + + if (adev->flags & AMD_IS_APU && + (fw_version & 0xff) >= 0x14) + return desc->fw_type == TA_FW_TYPE_PSP_XGMI_AUX; + else + return desc->fw_type == TA_FW_TYPE_PSP_XGMI; + } + break; + default: + break; + } + + return true; +} + static int parse_ta_bin_descriptor(struct psp_context *psp, const struct psp_fw_bin_desc *desc, const struct ta_firmware_header_v2_0 *ta_hdr) @@ -3532,6 +3658,9 @@ static int parse_ta_bin_descriptor(struct psp_context *psp, if (!psp || !desc || !ta_hdr) return -EINVAL; + if (!is_ta_fw_applicable(psp, desc)) + return 0; + ucode_start_addr = (uint8_t *)ta_hdr + le32_to_cpu(desc->offset_bytes) + le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes); @@ -3544,6 +3673,7 @@ static int parse_ta_bin_descriptor(struct psp_context *psp, psp->asd_context.bin_desc.start_addr = ucode_start_addr; break; case TA_FW_TYPE_PSP_XGMI: + case TA_FW_TYPE_PSP_XGMI_AUX: psp->xgmi_context.context.bin_desc.fw_version = le32_to_cpu(desc->fw_version); psp->xgmi_context.context.bin_desc.size_bytes = le32_to_cpu(desc->size_bytes); psp->xgmi_context.context.bin_desc.start_addr = ucode_start_addr; @@ -3673,7 +3803,12 @@ int psp_init_ta_microcode(struct psp_context *psp, const char *chip_name) struct amdgpu_device *adev = psp->adev; int err; - err = amdgpu_ucode_request(adev, &adev->psp.ta_fw, "amdgpu/%s_ta.bin", chip_name); + if (amdgpu_is_kicker_fw(adev)) + err = amdgpu_ucode_request(adev, &adev->psp.ta_fw, AMDGPU_UCODE_REQUIRED, + "amdgpu/%s_ta_kicker.bin", chip_name); + else + err = amdgpu_ucode_request(adev, &adev->psp.ta_fw, AMDGPU_UCODE_REQUIRED, + "amdgpu/%s_ta.bin", chip_name); if (err) return err; @@ -3708,14 +3843,16 @@ int psp_init_cap_microcode(struct psp_context *psp, const char *chip_name) return -EINVAL; } - err = amdgpu_ucode_request(adev, &adev->psp.cap_fw, "amdgpu/%s_cap.bin", chip_name); + err = amdgpu_ucode_request(adev, &adev->psp.cap_fw, AMDGPU_UCODE_OPTIONAL, + "amdgpu/%s_cap.bin", chip_name); if (err) { if (err == -ENODEV) { dev_warn(adev->dev, "cap microcode does not exist, skip\n"); err = 0; - goto out; + } else { + dev_err(adev->dev, "fail to initialize cap microcode\n"); } - dev_err(adev->dev, "fail to initialize cap microcode\n"); + goto out; } info = &adev->firmware.ucode[AMDGPU_UCODE_ID_CAP]; @@ -3736,13 +3873,49 @@ out: return err; } -static int psp_set_clockgating_state(void *handle, - enum amd_clockgating_state state) +int psp_config_sq_perfmon(struct psp_context *psp, + uint32_t xcp_id, bool core_override_enable, + bool reg_override_enable, bool perfmon_override_enable) +{ + int ret; + + if (amdgpu_sriov_vf(psp->adev)) + return 0; + + if (xcp_id > MAX_XCP) { + dev_err(psp->adev->dev, "invalid xcp_id %d\n", xcp_id); + return -EINVAL; + } + + if (amdgpu_ip_version(psp->adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 6)) { + dev_err(psp->adev->dev, "Unsupported MP0 version 0x%x for CONFIG_SQ_PERFMON command\n", + amdgpu_ip_version(psp->adev, MP0_HWIP, 0)); + return -EINVAL; + } + struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp); + + cmd->cmd_id = GFX_CMD_ID_CONFIG_SQ_PERFMON; + cmd->cmd.config_sq_perfmon.gfx_xcp_mask = BIT_MASK(xcp_id); + cmd->cmd.config_sq_perfmon.core_override = core_override_enable; + cmd->cmd.config_sq_perfmon.reg_override = reg_override_enable; + cmd->cmd.config_sq_perfmon.perfmon_override = perfmon_override_enable; + + ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr); + if (ret) + dev_warn(psp->adev->dev, "PSP failed to config sq: xcp%d core%d reg%d perfmon%d\n", + xcp_id, core_override_enable, reg_override_enable, perfmon_override_enable); + + release_psp_cmd_buf(psp); + return ret; +} + +static int psp_set_clockgating_state(struct amdgpu_ip_block *ip_block, + enum amd_clockgating_state state) { return 0; } -static int psp_set_powergating_state(void *handle, +static int psp_set_powergating_state(struct amdgpu_ip_block *ip_block, enum amd_powergating_state state) { return 0; @@ -3754,10 +3927,12 @@ static ssize_t psp_usbc_pd_fw_sysfs_read(struct device *dev, { struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(ddev); + struct amdgpu_ip_block *ip_block; uint32_t fw_ver; int ret; - if (!adev->ip_blocks[AMD_IP_BLOCK_TYPE_PSP].status.late_initialized) { + ip_block = amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP); + if (!ip_block || !ip_block->status.late_initialized) { dev_info(adev->dev, "PSP block is not ready yet\n."); return -EBUSY; } @@ -3786,8 +3961,10 @@ static ssize_t psp_usbc_pd_fw_sysfs_write(struct device *dev, struct amdgpu_bo *fw_buf_bo = NULL; uint64_t fw_pri_mc_addr; void *fw_pri_cpu_addr; + struct amdgpu_ip_block *ip_block; - if (!adev->ip_blocks[AMD_IP_BLOCK_TYPE_PSP].status.late_initialized) { + ip_block = amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP); + if (!ip_block || !ip_block->status.late_initialized) { dev_err(adev->dev, "PSP block is not ready yet."); return -EBUSY; } @@ -3795,7 +3972,8 @@ static ssize_t psp_usbc_pd_fw_sysfs_write(struct device *dev, if (!drm_dev_enter(ddev, &idx)) return -ENODEV; - ret = amdgpu_ucode_request(adev, &usbc_pd_fw, "amdgpu/%s", buf); + ret = amdgpu_ucode_request(adev, &usbc_pd_fw, AMDGPU_UCODE_REQUIRED, + "amdgpu/%s", buf); if (ret) goto fail; @@ -3856,7 +4034,7 @@ int is_psp_fw_valid(struct psp_bin_desc bin) } static ssize_t amdgpu_psp_vbflash_write(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, + const struct bin_attribute *bin_attr, char *buffer, loff_t pos, size_t count) { struct device *dev = kobj_to_dev(kobj); @@ -3892,7 +4070,7 @@ static ssize_t amdgpu_psp_vbflash_write(struct file *filp, struct kobject *kobj, } static ssize_t amdgpu_psp_vbflash_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, char *buffer, + const struct bin_attribute *bin_attr, char *buffer, loff_t pos, size_t count) { struct device *dev = kobj_to_dev(kobj); @@ -3944,11 +4122,11 @@ rel_buf: * Writing to this file will stage an IFWI for update. Reading from this file * will trigger the update process. */ -static struct bin_attribute psp_vbflash_bin_attr = { +static const struct bin_attribute psp_vbflash_bin_attr = { .attr = {.name = "psp_vbflash", .mode = 0660}, .size = 0, - .write = amdgpu_psp_vbflash_write, - .read = amdgpu_psp_vbflash_read, + .write_new = amdgpu_psp_vbflash_write, + .read_new = amdgpu_psp_vbflash_read, }; /** @@ -3975,7 +4153,7 @@ static ssize_t amdgpu_psp_vbflash_status(struct device *dev, } static DEVICE_ATTR(psp_vbflash_status, 0440, amdgpu_psp_vbflash_status, NULL); -static struct bin_attribute *bin_flash_attrs[] = { +static const struct bin_attribute *const bin_flash_attrs[] = { &psp_vbflash_bin_attr, NULL }; @@ -3999,7 +4177,7 @@ static umode_t amdgpu_flash_attr_is_visible(struct kobject *kobj, struct attribu } static umode_t amdgpu_bin_flash_attr_is_visible(struct kobject *kobj, - struct bin_attribute *attr, + const struct bin_attribute *attr, int idx) { struct device *dev = kobj_to_dev(kobj); @@ -4011,25 +4189,124 @@ static umode_t amdgpu_bin_flash_attr_is_visible(struct kobject *kobj, const struct attribute_group amdgpu_flash_attr_group = { .attrs = flash_attrs, - .bin_attrs = bin_flash_attrs, + .bin_attrs_new = bin_flash_attrs, .is_bin_visible = amdgpu_bin_flash_attr_is_visible, .is_visible = amdgpu_flash_attr_is_visible, }; +#if defined(CONFIG_DEBUG_FS) +static int psp_read_spirom_debugfs_open(struct inode *inode, struct file *filp) +{ + struct amdgpu_device *adev = filp->f_inode->i_private; + struct spirom_bo *bo_triplet; + int ret; + + /* serialize the open() file calling */ + if (!mutex_trylock(&adev->psp.mutex)) + return -EBUSY; + + /* + * make sure only one userpace process is alive for dumping so that + * only one memory buffer of AMD_VBIOS_FILE_MAX_SIZE * 2 is consumed. + * let's say the case where one process try opening the file while + * another one has proceeded to read or release. In this way, eliminate + * the use of mutex for read() or release() callback as well. + */ + if (adev->psp.spirom_dump_trip) { + mutex_unlock(&adev->psp.mutex); + return -EBUSY; + } + + bo_triplet = kzalloc(sizeof(struct spirom_bo), GFP_KERNEL); + if (!bo_triplet) { + mutex_unlock(&adev->psp.mutex); + return -ENOMEM; + } + + ret = amdgpu_bo_create_kernel(adev, AMD_VBIOS_FILE_MAX_SIZE_B * 2, + AMDGPU_GPU_PAGE_SIZE, + AMDGPU_GEM_DOMAIN_GTT, + &bo_triplet->bo, + &bo_triplet->mc_addr, + &bo_triplet->cpu_addr); + if (ret) + goto rel_trip; + + ret = psp_dump_spirom(&adev->psp, bo_triplet->mc_addr); + if (ret) + goto rel_bo; + + adev->psp.spirom_dump_trip = bo_triplet; + mutex_unlock(&adev->psp.mutex); + return 0; +rel_bo: + amdgpu_bo_free_kernel(&bo_triplet->bo, &bo_triplet->mc_addr, + &bo_triplet->cpu_addr); +rel_trip: + kfree(bo_triplet); + mutex_unlock(&adev->psp.mutex); + dev_err(adev->dev, "Trying IFWI dump fails, err = %d\n", ret); + return ret; +} + +static ssize_t psp_read_spirom_debugfs_read(struct file *filp, char __user *buf, size_t size, + loff_t *pos) +{ + struct amdgpu_device *adev = filp->f_inode->i_private; + struct spirom_bo *bo_triplet = adev->psp.spirom_dump_trip; + + if (!bo_triplet) + return -EINVAL; + + return simple_read_from_buffer(buf, + size, + pos, bo_triplet->cpu_addr, + AMD_VBIOS_FILE_MAX_SIZE_B * 2); +} + +static int psp_read_spirom_debugfs_release(struct inode *inode, struct file *filp) +{ + struct amdgpu_device *adev = filp->f_inode->i_private; + struct spirom_bo *bo_triplet = adev->psp.spirom_dump_trip; + + if (bo_triplet) { + amdgpu_bo_free_kernel(&bo_triplet->bo, &bo_triplet->mc_addr, + &bo_triplet->cpu_addr); + kfree(bo_triplet); + } + + adev->psp.spirom_dump_trip = NULL; + return 0; +} + +static const struct file_operations psp_dump_spirom_debugfs_ops = { + .owner = THIS_MODULE, + .open = psp_read_spirom_debugfs_open, + .read = psp_read_spirom_debugfs_read, + .release = psp_read_spirom_debugfs_release, + .llseek = default_llseek, +}; +#endif + +void amdgpu_psp_debugfs_init(struct amdgpu_device *adev) +{ +#if defined(CONFIG_DEBUG_FS) + struct drm_minor *minor = adev_to_drm(adev)->primary; + + debugfs_create_file_size("psp_spirom_dump", 0444, minor->debugfs_root, + adev, &psp_dump_spirom_debugfs_ops, AMD_VBIOS_FILE_MAX_SIZE_B * 2); +#endif +} + const struct amd_ip_funcs psp_ip_funcs = { .name = "psp", .early_init = psp_early_init, - .late_init = NULL, .sw_init = psp_sw_init, .sw_fini = psp_sw_fini, .hw_init = psp_hw_init, .hw_fini = psp_hw_fini, .suspend = psp_suspend, .resume = psp_resume, - .is_idle = NULL, - .check_soft_reset = NULL, - .wait_for_idle = NULL, - .soft_reset = NULL, .set_clockgating_state = psp_set_clockgating_state, .set_powergating_state = psp_set_powergating_state, }; |